Description

Description: The monoclonal antibody eBio3A3-N2 reacts with human IL-21, a potent stimulator of NK and cytolytic T cells. IL-21 is a 131 amino acid protein most closely related to IL-2 and IL-15. Expression is found in CD4+ cells upon activation. In addition to its effect on NK cells, IL-21 stimulates proliferation of B-cell stimulated by crosslinking of the CD40 antigen and stimulates the proliferation of bone marrow progenitor cells and the expression of the NK-cell marker CD56 in the presence of IL-15.Applications Reported: This eBio3A3-N2 (3A3-N2) antibody has been reported for use in intracellular staining followed by flow cytometric analysis.Applications Tested: This eBio3A3-N2 (3A3-N2) antibody has been pre-titrated and tested by intracellular staining and flow cytometric analysis of restimulated, Th17-polarized normal human peripheral blood cells. This can be used at 5 μL (0.125 μg) per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.Staining for IL-21 has shown donor variability. stimulation times may vary depending on the donor and should be optimized. Increased staining levels have been observed on Th17-polarized normal human peripheral blood cells. eFluor® 660 is a replacement for Alexa Fluor® 647. eFluor® 660 emits at 659 nm and is excited with the red laser (633 nm). Please make sure that your instrument is capable of detecting this fluorochome.Excitation: 633-647 nm; Emission: 668 nm; Laser: Red Laser.Filtration: 0.2μm post-manufacturing filtered.